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Finding the Fourth Proportional to 17,702,947.10, 26,554,420.65 and 17,451,004.70

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Solution

The fourth proportional to 17,702,947.10, 26,554,420.65 and 17,451,004.70 is: 26,176,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702,947.10 : 26,554,420.65 = 17,451,004.70 : x
  2. Step 2: Convert to fraction form
    17,702,947.10/26,554,420.65 = 17,451,004.70/x
  3. Step 3: Cross multiply
    17,702,947.10x = 26,554,420.65 × 17,451,004.70
  4. Step 4: Simplify right side
    17,702,947.10x = 463,401,319,568,927
  5. Step 5: Solve for x
    x = 463,401,319,568,927/17,702,947.10
  6. Step 6: Final answer
    x = 26,176,507.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.